厚膜電阻器 - SMD CRGP 1206 15R 1% SMD Resistor
CRGP1206F15R
TE Connectivity / Holsworthy
1:
NT$10.20
4,886 庫存量
Mouser 元件編號
279-CRGP1206F15R
TE Connectivity / Holsworthy
厚膜電阻器 - SMD CRGP 1206 15R 1% SMD Resistor
4,886 庫存量
1
NT$10.20
10
NT$5.41
100
NT$2.55
250
NT$2.04
5,000
NT$1.63
10,000
檢視
500
NT$1.87
1,000
NT$1.80
10,000
NT$1.50
25,000
NT$1.43
購買
最少: 1
倍數: 1
詳細資料
Reel, Cut Tape, MouseReel
CRGP
15 Ohms
500 mW (1/2 W)
1 %
200 PPM / C
- 55 C
+ 155 C
200 V
1206
3215
3.1 mm (0.122 in)
1.55 mm (0.061 in)
0.55 mm (0.022 in)
Commercial Grade
Precision Resistors
厚膜電阻器 - SMD CRGP 1206 180R 1% SMD Resistor
CRGP1206F180R
TE Connectivity / Holsworthy
1:
NT$7.82
12,475 庫存量
Mouser 元件編號
279-CRGP1206F180R
TE Connectivity / Holsworthy
厚膜電阻器 - SMD CRGP 1206 180R 1% SMD Resistor
12,475 庫存量
1
NT$7.82
10
NT$3.16
100
NT$2.52
250
NT$2.24
5,000
NT$1.53
10,000
檢視
500
NT$1.90
1,000
NT$1.80
10,000
NT$1.43
25,000
NT$1.39
購買
最少: 1
倍數: 1
詳細資料
Reel, Cut Tape
CRGP
180 Ohms
500 mW (1/2 W)
1 %
100 PPM / C
- 55 C
+ 155 C
200 V
1206
3215
3.1 mm (0.122 in)
1.55 mm (0.061 in)
0.55 mm (0.022 in)
Commercial Grade
Precision Resistors
厚膜電阻器 - SMD CRGP 1206 18K 1% SMD Resistor
CRGP1206F18K
TE Connectivity / Holsworthy
1:
NT$8.50
6,077 庫存量
Mouser 元件編號
279-CRGP1206F18K
TE Connectivity / Holsworthy
厚膜電阻器 - SMD CRGP 1206 18K 1% SMD Resistor
6,077 庫存量
1
NT$8.50
10
NT$2.99
100
NT$2.28
250
NT$2.01
5,000
NT$1.56
10,000
檢視
500
NT$1.94
1,000
NT$1.90
10,000
NT$1.39
25,000
NT$1.33
購買
最少: 1
倍數: 1
詳細資料
Reel, Cut Tape
CRGP
18 kOhms
500 mW (1/2 W)
1 %
100 PPM / C
- 55 C
+ 155 C
200 V
1206
3215
3.1 mm (0.122 in)
1.55 mm (0.061 in)
0.55 mm (0.022 in)
Commercial Grade
Precision Resistors
厚膜電阻器 - SMD CRGP 1206 18R 1% SMD Resistor
CRGP1206F18R
TE Connectivity / Holsworthy
1:
NT$10.20
10,140 庫存量
Mouser 元件編號
279-CRGP1206F18R
TE Connectivity / Holsworthy
厚膜電阻器 - SMD CRGP 1206 18R 1% SMD Resistor
10,140 庫存量
1
NT$10.20
10
NT$5.41
100
NT$3.20
250
NT$2.55
5,000
NT$1.63
10,000
檢視
500
NT$2.28
1,000
NT$2.11
10,000
NT$1.50
25,000
NT$1.43
購買
最少: 1
倍數: 1
詳細資料
Reel, Cut Tape, MouseReel
CRGP
18 Ohms
500 mW (1/2 W)
1 %
- 55 C
+ 155 C
200 V
1206
3215
3.1 mm (0.122 in)
1.55 mm (0.061 in)
0.55 mm (0.022 in)
Commercial Grade
厚膜電阻器 - SMD CRGP 1206 1K0 1% SMD Resistor
CRGP1206F1K0
TE Connectivity / Holsworthy
1:
NT$8.50
16,231 庫存量
Mouser 元件編號
279-CRGP1206F1K0
TE Connectivity / Holsworthy
厚膜電阻器 - SMD CRGP 1206 1K0 1% SMD Resistor
16,231 庫存量
1
NT$8.50
10
NT$3.09
100
NT$2.48
250
NT$2.21
5,000
NT$1.50
10,000
檢視
500
NT$2.07
1,000
NT$1.90
10,000
NT$1.46
25,000
NT$1.39
購買
最少: 1
倍數: 1
詳細資料
Reel, Cut Tape, MouseReel
CRGP
1 kOhms
500 mW (1/2 W)
1 %
100 PPM / C
- 55 C
+ 155 C
200 V
1206
3215
3.1 mm (0.122 in)
1.55 mm (0.061 in)
0.55 mm (0.022 in)
Commercial Grade
Precision Resistors
厚膜電阻器 - SMD CRGP 1206 1K2 1% SMD Resistor
CRGP1206F1K2
TE Connectivity / Holsworthy
1:
NT$10.20
25,289 庫存量
Mouser 元件編號
279-CRGP1206F1K2
TE Connectivity / Holsworthy
厚膜電阻器 - SMD CRGP 1206 1K2 1% SMD Resistor
25,289 庫存量
1
NT$10.20
10
NT$5.34
100
NT$3.16
250
NT$2.48
5,000
NT$1.60
10,000
檢視
500
NT$2.24
1,000
NT$2.07
10,000
NT$1.46
25,000
NT$1.39
購買
最少: 1
倍數: 1
詳細資料
Reel, Cut Tape
CRGP
1.2 kOhms
500 mW (1/2 W)
1 %
100 PPM / C
- 55 C
+ 155 C
200 V
1206
3215
3.1 mm (0.122 in)
1.55 mm (0.061 in)
0.55 mm (0.022 in)
Commercial Grade
Precision Resistors
厚膜電阻器 - SMD CRGP 1206 1K5 1% SMD Resistor
CRGP1206F1K5
TE Connectivity / Holsworthy
1:
NT$10.20
18,054 庫存量
Mouser 元件編號
279-CRGP1206F1K5
TE Connectivity / Holsworthy
厚膜電阻器 - SMD CRGP 1206 1K5 1% SMD Resistor
18,054 庫存量
1
NT$10.20
10
NT$5.34
100
NT$3.16
250
NT$2.48
5,000
NT$1.60
10,000
檢視
500
NT$2.24
1,000
NT$2.07
10,000
NT$1.46
25,000
NT$1.39
購買
最少: 1
倍數: 1
詳細資料
Reel, Cut Tape, MouseReel
CRGP
1.5 kOhms
500 mW (1/2 W)
1 %
100 PPM / C
- 55 C
+ 155 C
200 V
1206
3215
3.1 mm (0.122 in)
1.55 mm (0.061 in)
0.55 mm (0.022 in)
Commercial Grade
Precision Resistors
厚膜電阻器 - SMD CRGP 1206 1K8 1% SMD Resistor
CRGP1206F1K8
TE Connectivity / Holsworthy
1:
NT$8.84
8,148 庫存量
Mouser 元件編號
279-CRGP1206F1K8
TE Connectivity / Holsworthy
厚膜電阻器 - SMD CRGP 1206 1K8 1% SMD Resistor
8,148 庫存量
1
NT$8.84
10
NT$3.09
100
NT$2.52
250
NT$2.21
5,000
NT$1.56
10,000
檢視
500
NT$2.07
1,000
NT$1.90
10,000
NT$1.39
25,000
NT$1.33
購買
最少: 1
倍數: 1
詳細資料
Reel, Cut Tape
CRGP
1.8 kOhms
500 mW (1/2 W)
1 %
100 PPM / C
- 55 C
+ 155 C
200 V
1206
3215
3.1 mm (0.122 in)
1.55 mm (0.061 in)
0.55 mm (0.022 in)
Commercial Grade
Precision Resistors
厚膜電阻器 - SMD CRGP 1206 220K 1% SMD Resistor
CRGP1206F220K
TE Connectivity / Holsworthy
1:
NT$10.20
17,565 庫存量
Mouser 元件編號
279-CRGP1206F220K
TE Connectivity / Holsworthy
厚膜電阻器 - SMD CRGP 1206 220K 1% SMD Resistor
17,565 庫存量
1
NT$10.20
10
NT$5.41
100
NT$3.20
250
NT$2.55
5,000
NT$1.63
10,000
檢視
500
NT$2.28
1,000
NT$2.11
10,000
NT$1.50
25,000
NT$1.43
購買
最少: 1
倍數: 1
詳細資料
Reel, Cut Tape
CRGP
220 kOhms
500 mW (1/2 W)
1 %
100 PPM / C
- 55 C
+ 155 C
200 V
1206
3215
3.1 mm (0.122 in)
1.55 mm (0.061 in)
0.55 mm (0.022 in)
Commercial Grade
Precision Resistors
厚膜電阻器 - SMD CRGP 1206 220R 1% SMD Resistor
CRGP1206F220R
TE Connectivity / Holsworthy
1:
NT$8.50
16,661 庫存量
Mouser 元件編號
279-CRGP1206F220R
TE Connectivity / Holsworthy
厚膜電阻器 - SMD CRGP 1206 220R 1% SMD Resistor
16,661 庫存量
1
NT$8.50
10
NT$3.09
100
NT$2.52
250
NT$2.21
5,000
NT$1.50
10,000
檢視
500
NT$2.07
1,000
NT$1.90
10,000
NT$1.46
25,000
NT$1.39
購買
最少: 1
倍數: 1
詳細資料
Reel, Cut Tape
CRGP
220 Ohms
500 mW (1/2 W)
1 %
100 PPM / C
- 55 C
+ 155 C
200 V
1206
3215
3.1 mm (0.122 in)
1.55 mm (0.061 in)
0.55 mm (0.022 in)
Commercial Grade
Precision Resistors
厚膜電阻器 - SMD CRGP 1206 22K 1% SMD Resistor
CRGP1206F22K
TE Connectivity / Holsworthy
1:
NT$8.50
6,525 庫存量
Mouser 元件編號
279-CRGP1206F22K
TE Connectivity / Holsworthy
厚膜電阻器 - SMD CRGP 1206 22K 1% SMD Resistor
6,525 庫存量
1
NT$8.50
10
NT$3.09
100
NT$2.31
250
NT$2.07
5,000
NT$1.56
10,000
檢視
500
NT$2.04
1,000
NT$1.90
10,000
NT$1.43
25,000
NT$1.36
購買
最少: 1
倍數: 1
詳細資料
Reel, Cut Tape
CRGP
22 kOhms
500 mW (1/2 W)
1 %
100 PPM / C
- 55 C
+ 155 C
200 V
1206
3215
3.1 mm (0.122 in)
1.55 mm (0.061 in)
0.55 mm (0.022 in)
Commercial Grade
Precision Resistors
厚膜電阻器 - SMD CRGP 1206 22R 1% SMD Resistor
CRGP1206F22R
TE Connectivity / Holsworthy
1:
NT$10.20
6,410 庫存量
Mouser 元件編號
279-CRGP1206F22R
TE Connectivity / Holsworthy
厚膜電阻器 - SMD CRGP 1206 22R 1% SMD Resistor
6,410 庫存量
1
NT$10.20
10
NT$5.41
100
NT$3.20
250
NT$2.55
5,000
NT$1.63
10,000
檢視
500
NT$2.28
1,000
NT$2.11
10,000
NT$1.50
25,000
NT$1.43
購買
最少: 1
倍數: 1
詳細資料
Reel, Cut Tape, MouseReel
CRGP
22 Ohms
500 mW (1/2 W)
1 %
200 PPM / C
- 55 C
+ 155 C
200 V
1206
3215
3.1 mm (0.122 in)
1.55 mm (0.061 in)
0.55 mm (0.022 in)
Commercial Grade
Precision Resistors
厚膜電阻器 - SMD CRGP 1206 270R 1% SMD Resistor
CRGP1206F270R
TE Connectivity / Holsworthy
1:
NT$8.50
2,790 庫存量
Mouser 元件編號
279-CRGP1206F270R
TE Connectivity / Holsworthy
厚膜電阻器 - SMD CRGP 1206 270R 1% SMD Resistor
2,790 庫存量
1
NT$8.50
10
NT$3.09
100
NT$2.35
250
NT$2.04
5,000
NT$1.56
10,000
檢視
500
NT$1.97
1,000
NT$1.90
10,000
NT$1.39
25,000
NT$1.33
購買
最少: 1
倍數: 1
詳細資料
Reel, Cut Tape, MouseReel
CRGP
270 Ohms
500 mW (1/2 W)
1 %
100 PPM / C
- 55 C
+ 155 C
200 V
1206
3215
3.1 mm (0.122 in)
1.55 mm (0.061 in)
0.55 mm (0.022 in)
Commercial Grade
Precision Resistors
厚膜電阻器 - SMD CRGP 1206 27K 1% SMD Resistor
CRGP1206F27K
TE Connectivity / Holsworthy
1:
NT$7.14
15,659 庫存量
Mouser 元件編號
279-CRGP1206F27K
TE Connectivity / Holsworthy
厚膜電阻器 - SMD CRGP 1206 27K 1% SMD Resistor
15,659 庫存量
1
NT$7.14
10
NT$2.92
100
NT$2.45
250
NT$2.11
5,000
NT$1.56
10,000
檢視
500
NT$1.97
1,000
NT$1.87
10,000
NT$1.33
25,000
NT$1.26
購買
最少: 1
倍數: 1
詳細資料
Reel, Cut Tape, MouseReel
CRGP
27 kOhms
500 mW (1/2 W)
1 %
100 PPM / C
- 55 C
+ 155 C
200 V
1206
3215
3.1 mm (0.122 in)
1.55 mm (0.061 in)
0.55 mm (0.022 in)
Commercial Grade
Precision Resistors
厚膜電阻器 - SMD CRGP 1206 27R 1% SMD Resistor
CRGP1206F27R
TE Connectivity / Holsworthy
1:
NT$8.50
29,550 庫存量
Mouser 元件編號
279-CRGP1206F27R
TE Connectivity / Holsworthy
厚膜電阻器 - SMD CRGP 1206 27R 1% SMD Resistor
29,550 庫存量
1
NT$8.50
10
NT$3.09
100
NT$2.52
250
NT$2.21
5,000
NT$1.56
10,000
檢視
500
NT$2.07
1,000
NT$1.90
10,000
NT$1.46
購買
最少: 1
倍數: 1
詳細資料
Reel, Cut Tape, MouseReel
CRGP
27 Ohms
500 mW (1/2 W)
1 %
200 PPM / C
- 55 C
+ 155 C
200 V
1206
3215
3.1 mm (0.122 in)
1.55 mm (0.061 in)
0.55 mm (0.022 in)
Commercial Grade
Precision Resistors
厚膜電阻器 - SMD CRGP 1206 2K2 1% SMD Resistor
CRGP1206F2K2
TE Connectivity / Holsworthy
1:
NT$5.78
84 庫存量
20,000 預期2026/3/24
Mouser 元件編號
279-CRGP1206F2K2
TE Connectivity / Holsworthy
厚膜電阻器 - SMD CRGP 1206 2K2 1% SMD Resistor
84 庫存量
20,000 預期2026/3/24
1
NT$5.78
10
NT$2.82
100
NT$2.18
250
NT$2.07
5,000
NT$1.53
10,000
檢視
500
NT$1.84
1,000
NT$1.73
10,000
NT$1.43
25,000
NT$1.36
購買
最少: 1
倍數: 1
詳細資料
Reel, Cut Tape
CRGP
2.2 kOhms
500 mW (1/2 W)
1 %
100 PPM / C
- 55 C
+ 155 C
200 V
1206
3215
3.1 mm (0.122 in)
1.55 mm (0.061 in)
0.55 mm (0.022 in)
Commercial Grade
Precision Resistors
厚膜電阻器 - SMD CRGP 1206 2K7 1% SMD Resistor
CRGP1206F2K7
TE Connectivity / Holsworthy
1:
NT$8.50
13,982 庫存量
Mouser 元件編號
279-CRGP1206F2K7
TE Connectivity / Holsworthy
厚膜電阻器 - SMD CRGP 1206 2K7 1% SMD Resistor
13,982 庫存量
1
NT$8.50
10
NT$2.24
100
NT$2.01
250
NT$1.80
5,000
NT$1.43
25,000
檢視
500
NT$1.73
25,000
NT$1.26
購買
最少: 1
倍數: 1
詳細資料
Reel, Cut Tape
CRGP
2.7 kOhms
500 mW (1/2 W)
1 %
100 PPM / C
- 55 C
+ 155 C
200 V
1206
3215
3.1 mm (0.122 in)
1.55 mm (0.061 in)
0.55 mm (0.022 in)
Commercial Grade
Precision Resistors
厚膜電阻器 - SMD CRGP 1206 330K 1% SMD Resistor
CRGP1206F330K
TE Connectivity / Holsworthy
1:
NT$8.50
10,240 庫存量
Mouser 元件編號
279-CRGP1206F330K
TE Connectivity / Holsworthy
厚膜電阻器 - SMD CRGP 1206 330K 1% SMD Resistor
10,240 庫存量
1
NT$8.50
10
NT$3.09
100
NT$2.52
250
NT$2.21
5,000
NT$1.56
25,000
檢視
500
NT$2.07
1,000
NT$1.90
25,000
NT$1.36
購買
最少: 1
倍數: 1
詳細資料
Reel, Cut Tape, MouseReel
CRGP
330 kOhms
500 mW (1/2 W)
1 %
100 PPM / C
- 55 C
+ 155 C
200 V
1206
3215
3.1 mm (0.122 in)
1.55 mm (0.061 in)
0.55 mm (0.022 in)
Commercial Grade
Precision Resistors
厚膜電阻器 - SMD CRGP 1206 330R 1% SMD Resistor
CRGP1206F330R
TE Connectivity / Holsworthy
1:
NT$10.20
4,512 庫存量
20,000 預期2026/3/24
Mouser 元件編號
279-CRGP1206F330R
TE Connectivity / Holsworthy
厚膜電阻器 - SMD CRGP 1206 330R 1% SMD Resistor
4,512 庫存量
20,000 預期2026/3/24
1
NT$10.20
10
NT$5.34
100
NT$3.16
250
NT$2.48
5,000
NT$1.60
10,000
檢視
500
NT$2.24
1,000
NT$2.07
10,000
NT$1.43
25,000
NT$1.39
購買
最少: 1
倍數: 1
詳細資料
Reel, Cut Tape, MouseReel
CRGP
330 Ohms
500 mW (1/2 W)
1 %
100 PPM / C
- 55 C
+ 155 C
200 V
1206
3215
3.1 mm (0.122 in)
1.55 mm (0.061 in)
0.55 mm (0.022 in)
Commercial Grade
Precision Resistors
厚膜電阻器 - SMD CRGP 1206 33K 1% SMD Resistor
CRGP1206F33K
TE Connectivity / Holsworthy
1:
NT$8.50
35,731 庫存量
Mouser 元件編號
279-CRGP1206F33K
TE Connectivity / Holsworthy
厚膜電阻器 - SMD CRGP 1206 33K 1% SMD Resistor
35,731 庫存量
1
NT$8.50
10
NT$3.09
100
NT$2.52
250
NT$2.21
5,000
NT$1.33
10,000
檢視
500
NT$2.07
1,000
NT$1.90
10,000
NT$1.19
購買
最少: 1
倍數: 1
詳細資料
Reel, Cut Tape, MouseReel
CRGP
33 kOhms
500 mW (1/2 W)
1 %
100 PPM / C
- 55 C
+ 155 C
200 V
1206
3215
3.1 mm (0.122 in)
1.55 mm (0.061 in)
0.55 mm (0.022 in)
Commercial Grade
Precision Resistors
厚膜電阻器 - SMD CRGP 1206 33R 1% SMD Resistor
CRGP1206F33R
TE Connectivity / Holsworthy
1:
NT$8.50
18,325 庫存量
Mouser 元件編號
279-CRGP1206F33R
TE Connectivity / Holsworthy
厚膜電阻器 - SMD CRGP 1206 33R 1% SMD Resistor
18,325 庫存量
1
NT$8.50
10
NT$3.09
100
NT$2.52
250
NT$2.21
5,000
NT$1.46
10,000
檢視
500
NT$2.07
1,000
NT$1.90
10,000
NT$1.33
25,000
NT$1.29
購買
最少: 1
倍數: 1
詳細資料
Reel, Cut Tape
CRGP
33 Ohms
500 mW (1/2 W)
1 %
200 PPM / C
- 55 C
+ 155 C
200 V
1206
3215
3.1 mm (0.122 in)
1.55 mm (0.061 in)
0.55 mm (0.022 in)
Commercial Grade
Precision Resistors
厚膜電阻器 - SMD CRGP 1206 39K 1% SMD Resistor
CRGP1206F39K
TE Connectivity / Holsworthy
1:
NT$8.50
10,459 庫存量
Mouser 元件編號
279-CRGP1206F39K
TE Connectivity / Holsworthy
厚膜電阻器 - SMD CRGP 1206 39K 1% SMD Resistor
10,459 庫存量
1
NT$8.50
10
NT$3.09
100
NT$2.52
250
NT$2.18
5,000
NT$1.56
10,000
檢視
500
NT$2.07
1,000
NT$1.90
10,000
NT$1.46
25,000
NT$1.36
購買
最少: 1
倍數: 1
詳細資料
Reel, Cut Tape, MouseReel
CRGP
39 kOhms
500 mW (1/2 W)
1 %
100 PPM / C
- 55 C
+ 155 C
200 V
1206
3215
3.1 mm (0.122 in)
1.55 mm (0.061 in)
0.55 mm (0.022 in)
Commercial Grade
Precision Resistors
厚膜電阻器 - SMD CRGP 1206 39R 1% SMD Resistor
CRGP1206F39R
TE Connectivity / Holsworthy
1:
NT$8.50
24,419 庫存量
Mouser 元件編號
279-CRGP1206F39R
TE Connectivity / Holsworthy
厚膜電阻器 - SMD CRGP 1206 39R 1% SMD Resistor
24,419 庫存量
1
NT$8.50
10
NT$3.06
100
NT$2.52
250
NT$2.21
5,000
NT$1.67
10,000
檢視
500
NT$2.04
1,000
NT$1.87
10,000
NT$1.50
25,000
NT$1.33
購買
最少: 1
倍數: 1
詳細資料
Reel, Cut Tape
CRGP
39 Ohms
500 mW (1/2 W)
1 %
200 PPM / C
- 55 C
+ 155 C
200 V
1206
3215
3.1 mm (0.122 in)
1.55 mm (0.061 in)
0.55 mm (0.022 in)
Commercial Grade
Precision Resistors
厚膜電阻器 - SMD CRGP 1206 3K3 1% SMD Resistor
CRGP1206F3K3
TE Connectivity / Holsworthy
1:
NT$10.20
16,491 庫存量
Mouser 元件編號
279-CRGP1206F3K3
TE Connectivity / Holsworthy
厚膜電阻器 - SMD CRGP 1206 3K3 1% SMD Resistor
16,491 庫存量
1
NT$10.20
10
NT$5.41
100
NT$3.20
250
NT$2.55
5,000
NT$1.63
10,000
檢視
500
NT$2.28
1,000
NT$2.11
10,000
NT$1.50
25,000
NT$1.43
購買
最少: 1
倍數: 1
詳細資料
Reel, Cut Tape, MouseReel
CRGP
3.3 kOhms
500 mW (1/2 W)
1 %
100 PPM / C
- 55 C
+ 155 C
200 V
1206
3215
3.1 mm (0.122 in)
1.55 mm (0.061 in)
0.55 mm (0.022 in)
Commercial Grade
Precision Resistors
厚膜電阻器 - SMD CRGP 1206 3K9 1% SMD Resistor
CRGP1206F3K9
TE Connectivity / Holsworthy
1:
NT$10.20
920 庫存量
20,000 預期2026/3/31
Mouser 元件編號
279-CRGP1206F3K9
TE Connectivity / Holsworthy
厚膜電阻器 - SMD CRGP 1206 3K9 1% SMD Resistor
920 庫存量
20,000 預期2026/3/31
1
NT$10.20
10
NT$5.41
100
NT$2.55
250
NT$2.04
5,000
NT$1.63
10,000
檢視
500
NT$1.87
1,000
NT$1.80
10,000
NT$1.50
25,000
NT$1.43
購買
最少: 1
倍數: 1
詳細資料
Reel, Cut Tape
CRGP
3.9 kOhms
500 mW (1/2 W)
1 %
100 PPM / C
- 55 C
+ 155 C
200 V
1206
3215
3.1 mm (0.122 in)
1.55 mm (0.061 in)
0.55 mm (0.022 in)
Commercial Grade
Precision Resistors